He has three grown daughters with his late Italian wife (evidenced by his heavy influence in Italy and the Italian language). He is a second generation Detroit police officer (his father Brent was one of the first African American police officers in Detroit). He puts in his retirement papers, and considers moving to Tuscany, but later changes his mind. Aisha Hinds as Lt. Maureen Mason, the head of the homicide unit with 15 years in Homicide. She has two young teenage daughters. D. J. Cotrona as Det. John Stone, a young detective who transferred from working undercover narcotics to homicide in the first episode. The seventeenth episode begins with confirmation that he died from the gunshot wounds he suffered from a drug addicted ex-girlfriend at the end of "Stone Cold". Shaun Majumder as Det. Vikram Mahajan, a confirmed bachelor. His parents in India have an arranged marriage started for him. He has seven years experience in homicide. Erin Cummings as Dr. Abbey Ward, the Wayne County Medical Examiner. Recurring The following characters appeared in several episodes: Megan Dodds as Special Agent Jess Harkins, a young FBI agent from the White Collar Crime division who moves from Chicago and joins the squad midway through the series to gain experience in homicide investigations. Kristina Apgar as Riley Sullivan, Detective Stone's junkie ex-girlfriend who kills him after he evicts her from his apartment. She is then killed by Detective Sanchez. Ron Heisler as Detective Chuck Brown, friend of Detective Washington from his Narcotics division days Tessa Thompson as Lauren Washington, Detective Washington's wife. Rochelle Aytes as Alice Williams, a young prosecuting attorney who is murdered midway through the series. Erin Way as Wendy Chapin-Lomeister, a criminal justice student who interns at the homicide bureau midway through the series Jefferson Mays as Dr Roger Kosowski, a psychiatrist. Vadim Imperioli as Bobby Fitch, Detective Fitch's preteen son. (Played by real-life son of Michael Imperioli, who plays Detective Fitch). Mo McRae as Pooch, a drug dealer the detectives arrest, who later returns as a confidential informant. R. Ernie Silva as Chito, a drug dealer and acquaintance of Pooch who is twice arrested by the detectives during the series. Tommy Flanagan as Albert Stram, a mobster from New York City who blackmailed Fitch into leaving the NYPD. He comes to Detroit and continues to threaten Fitch and his family, but Fitch kills him in the series finale.